Getting started w Python Q

I was able to get my GoPiGo moving with Python with the directions here:
[], and I see the resource here The trouble is that I literally don’t know where to type code. Is there a window like the one in the attached screenshot? If you answer this question, (1) thank you, and (2) please clarify any technical terms you use. For example, one direction says, " open a terminal or the command line and type the following command:" I have no idea what a terminal or command line is. Thanks.

Did you get further now?